Knife



FIG. 1 is a right side view of the knife;

FIG. 2 is a left side view of the knife;

FIG. 3 is a front side view of the knife;

FIG. 4 is a back side view of the knife;

FIG. 5 is a top view of the knife; and,

FIG. 6 is a bottom view of the knife. 

The ornamental design for a knife, as shown and described. 